Senior System Administrator

4 weeks ago

Springfield, Virginia, United States Leidos Full time
Job Summary:

We are seeking a highly skilled and experienced Sr. System Administrator to join our team at Leidos. The successful candidate will be responsible for providing technical support for a system test and integration lab, and production environment.

Key Responsibilities:
  • Provide hands-on support for the IT infrastructure and technical assistance as needed to on-site administrators.
  • Excellent writing skills required for preparing documentation and other technical deliverables.
  • Ability to troubleshoot Cisco and Juniper switches and routers.
  • Use MicroFocus/OpenText and HP Network Monitoring tools.
  • Organize and direct the configuration and operation of information management systems.
  • Provide day-to-day system administration, including system and resource optimization, and user assistance.
  • Maintain servers and create and review monitoring reports and logs.
  • Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, system and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
  • Provide hands-on guidance and training to junior staff.
  • Apply OS patches for RHEL and Windows servers.
  • Run configuring/adding new services.
  • Conduct ongoing performance tuning, hardware upgrades, and resource optimization, as required.
  • Conduct CPU configuration, memory and disk partitions, as required.
  • Perform regular security monitoring to identify vulnerabilities and any possible intrusions.
  • Set up and manage frequent and regular backup operations, ensuring that all required file systems and system data are successfully backed up to appropriate media, plus creates recovery tapes or disks; performs regular file archive and purge, as necessary.
Requirements:
  • TS SCI with poly.
  • Candidate must have 16 years of experience that can be a combination of work history and education.
  • Compliance with Department of Defense (DoD) 8570 Information Assurance Technical (IAT) Level 2.
  • Must be able to process and analyze information and trouble calls submitted by a customer, make determinations, provide and implement solutions.
  • Must be able to work with minimal supervision to perform complex technical tasks.
  • Must be able to troubleshoot network routing and router/switches.
  • Build and O&M of Linux RHEL systems, Build and O&M of MS Windows Server systems, Build and O&M of virtual environment that includes virtual servers and virtual routers, Build and O&M Oracle Servers.
  • Build and O&M of multiple Network Management applications, Build and O&M of VCenter which includes the O&M of VM templates, Build and O&M of ESXi hosts, Build and O&M of hardware.
  • Understanding of DoD Risk Management Framework (RMF) information security requirements, standards, and best practices; DIACP compliancy with Retina, DISA STIG and IAVA patch management.
  • Perform multiple tasks concurrently and respond to emergency effectively.
  • Proficient in use of Microsoft Office suite.
  • Increase system administrator efficiency and accuracy via the use of automated tools and scripts, develop system administrator procedures, and conduct system administrator training and skills assessment.
  • Conduct capacity and performance analysis, and provides system configuration change and upgrade recommendations.
  • Determine computer user needs; analyze system capabilities and programming techniques and controls.
  • Manage the daily activities of configuration and operation of systems and perform system capacity analysis and planning.
Original Posting Date:2024-09-26

While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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